Improvement in horse-powers



UNITED STATES ATENT vnitien,

STUART PERRY, OE* NEWPORT, ASSIGNOR TO O. H. A. CARTER, OF NEW YORKCITY, N. Y.

IMPROVEMENT IN HORSE-POWERS.

Specification forming part of Letters Patent No. 39,324, dated July 21,1863.

To all whom it may concern Beit known that I, STUART PERRY, of Newport,in the county of Herkimer and Sta-te of New York, have invented certainnew and useful Improvements in HorsePowers; and I do hereby declare thatthe following is a full, clear, and exact description ofthe constructionand operation of the same, reference being had to the accompanyingdrawings, making a partof this speeication, in which- Figure lrepresents a top plan of the horsepower, Fig. 2 represents alongitudinal vertical section through the same, and Fig. 3 represents,on an enlarged scale, a case-hardened chain which I use on thehorse-power.

My invention relates to that class of horsepowers in which the power ofthe team is communicated through an endless chain that moves around withthe sweeps or frame of the horse-power to a shaft and drive-wheel, fromwhence it may be transmitted to any mechanism to be driven by or fromit. And, as incidental to this class of horse-powers, another part of myinvention relates to the case-hardening or cementing of the chainthrough which the power is transmitted, to prevent it from cutting orwearin g away on the sprocketwheel and the toothed or ribbed pulleyagainst, over, or around which it passes.

To enable others skilled in the art to make and use my invention, I willproceed to describe the same with reference to the drawings.

A B represent the bedpieces upon which the horsepower is placed. Thesepieces may be of plank for convenience of transportation, or any othersuitably strong material.

O is a stationary shaft, on or against which the two hubs a bv turn.These hubs are furnished with anged disks o d, on which anges the arms DE rest by means of notches, as distinctly seen in Fig. 2. The arms inpairs ineline toward each other at their outer ends, and a forked socket72 is driven over them, which, together with their central and notchedsupports at the hubs a b, make them rigid, while at the same time thewhole machine can be readily taken down for transportation or storageand as readily set up again without pins, screwbolts, or such likefastenings, which are lia-ble to be lost or mislaid. The chain F is anendless one and passes around in the forks fat the ends of the arms D Euntil it leaves the fork f. From this fork it passes to and partiallyaround a pulley or friction wheel, G, which is in or on a hinged arm, g,and controlled by a spring, h, bearing against said arm, so as to takeup any slack that there may be in the chain. From this pulley the chainpasses between guiding-pulleys t' i, which are so set as to give thechain more bight77 upon the power-transmitting toothed or ribbed pulleyH. Other small guiding-pulleys,2 2, may also be used to keep the chaintruly upon the pulley H. After the chain passes from the pulley H it iscaught by the fork at j, and thence around the series of forks whichform a sprocket-wheel with which the chain moves and acts.

I is the sweep by which the chain and its supporting wheel or arms aremoved around by the team, and a leading-stick,j, may be attached to thearm neXtin advance ofthe sweep I to lead around the team by.

I have found that the greatest wear in such a horse-power is, first, inthe chain, and, secondly, in the power ltransmitting pulley over oragainst which the chain works. To prevent the wearing away of .the chainI case-l harden, or put through the process of cementation, which makesit much more durable.

The process of case-hardenirgg or cementing by animal or vegetablecharcoal, and 'many other ingredients by which the iron is carbonized,or ahard skin put upon it, is well known, and I lay no claim to theprocess, but believe I am the first to put ahard skin on a chain of anykind, and certainly for a horse-power chain. The pulley over or againstwhich the chain works has steel or chilled teeth or ribs to resist thecutting and wearing of the chain upon it. Powerhaving been thustransmitted to the pulley H, which is upon the shaft J it is alsocommunicated to the gear K on said shaft, and from said gear to thebevel-pinion L on the end of the shaft M, the opposite end of said shaftbeing furnished with a band or crank wheel, N, from which the power maybe taken and applied to any machinery to be driven by it. I have shown asawing apparatus as connected therewith, but this constitutes no part ofthis invention. The hubs a b are properly braced by the uprights k,extend. ing from one to the other. The ends of the trmsD E are tied byrods m to each other, md one of the rods may have a screiv-buckle, t,upon it to tighten up the Whole, or to slacken 1p with When the machineis to be taken down.

o is a Washer placed over the lower hub, b, ind p a pin to hold it downto its place on the ihaft (l. rlhe upper hub, a, may be suspended 'romthe top of the shaft, as shown. The sweep may be hooked to the hub a ats, and to one )f the arms, as at t, and have a. drag-rod, u, :Xtendingfrom it to the next arm in rear of t, all these fastenings beingdetachable. rlhe yhaft J has its upper support in a top plate, q, 1nd astep at its lower end in the bearing r, vhich also affords ajournal-support of thc .haft M. The pulleys i t', in addition to theirguiding the chain and increasing` its bight on lle main pulley H, alsoprevent any twist or :ink in the chain as it is about to come in conactWith said chain-pulley.

At Fig. 4 I have shown a modification of a :hain-pulley, H, and on anenlarged scale, in vhich I have arranged a series of Wheels, o o f, &c.,of chilled or hard metal, against which he endless chain F bears,instead of against he pulley itself, and the action of the chain lponthese small Wheels is such that the Wheels re being constantly moved ontheir axes or Durnals, and are thus always presenting a ieWsurface-bearingfor the chain, which saves he chain-pulley from much ofits Wear and utting.

Having thus fully described the construc- 4. 1n combination With thesprocketwheel and the chain-pulley, a case-hardened or cemented chainfor the purpose of preventing` undue cutting or wearing of chain,sprocket- Wheel, and pulley, substantially as described.

o. lhe arrangement ot the sprlng-pulley G and hinged arm g, for takingup the slack of the. chain, substantially as described.

6. rlhe pulleys t' t, for preventingj)` the twisting ofthe chain,substantially as described.

7. In combination with the main chain-pulley H, the guiding, directing,and holding pulleys 2 2, substantially as and for the purpose described.

STUART PERRY.

Witnesses:

A. B. SroUGHToN, DANL. ROWLAND.

